A circuit connection apparatus includes a first member and a second member sequentially stacked along a first direction. The first member is conductive. The first member includes a first section, a second section, and a third section. The first section and the second section are spaced apart in the first member. The third section is connected to the first section and the second section separately. The second member includes a boss extending toward the first member. Viewed along the first direction, the boss at least partly overlaps the third section. Along the first direction, the boss and the third section are interspaced with a clearance. The first member and the second member are able to approach each other. The boss is configured to be able to press against and be pressed by the third section to fracture the third section.

A battery pack includes: a cover plate, a cell module, a first resin layer, a battery pack housing, and at least one first monitoring member. The cell module is accommodated inside the battery pack housing and fastened by the first resin layer, the cover plate is fastened to the battery pack housing, the cell module includes a plurality of cells stacked in a first direction. Each cell includes an electrode assembly, a cell housing configured to accommodate the electrode assembly, and a tab electrically connected to the electrode assembly. The cell housing includes a sealing portion, and the tab extends out of the cell housing from the sealing portion in a second direction. One of the at least one first monitoring member is disposed between sealing portions of the adjacent cells. The first monitoring member is connected to the cell module and monitor temperature of the tab of the cell.

A system for thermal management and structural containment includes a first battery cell having first and second terminal ends, and a first capillary void matrix disposed about an outer casing of the first battery cell.

A system for thermal management and structural containment includes a first battery cell having first and second terminal ends, and a first capillary void matrix disposed about an outer casing of the first battery cell.

Provided are a secondary battery and a battery pack including the secondary battery. A sealing plate has a positive electrode terminal attachment hole. A positive electrode terminal penetrates the positive electrode terminal attachment hole. An external conductive member is connected to a portion of the positive electrode terminal located on the battery outer side with respect to the sealing plate. The conduction path between a positive electrode plate and the positive electrode terminal is provided with a current interrupting mechanism. A first insulating member made of resin is disposed between the sealing plate and the positive electrode terminal. A second insulating member having higher thermal resistance than the first insulating member is disposed between the external conductive member and the sealing plate.

Provided are a secondary battery and a battery pack including the secondary battery. A sealing plate has a positive electrode terminal attachment hole. A positive electrode terminal penetrates the positive electrode terminal attachment hole. An external conductive member is connected to a portion of the positive electrode terminal located on the battery outer side with respect to the sealing plate. The conduction path between a positive electrode plate and the positive electrode terminal is provided with a current interrupting mechanism. A first insulating member made of resin is disposed between the sealing plate and the positive electrode terminal. A second insulating member having higher thermal resistance than the first insulating member is disposed between the external conductive member and the sealing plate.

A holding apparatus (15) for current and signal conductors of a traction battery of a motor vehicle has a plate-like base body with longitudinal sides (16), transverse ends (17) and a top (18) and bottom (19) extending between the longitudinal sides (16) and transverse ends (17). Elements (20) are arranged on the top (18) and the bottom (19) for guiding and fixing current conductors (12) of the traction battery, and elements (21) are arranged on the other of the top (18) and the bottom (19) for guiding and fixing at least one signal conductor (14) of the traction battery. The base body provides EMC shielding of the signal conductor (14) from the current conductors (12). The plate-like base body has on the opposite longitudinal sides (16) and/or on the opposite transverse sides (17) sections (22) for securing and grounding the holding apparatus on a frame of the motor vehicle.

A holding apparatus (15) for current and signal conductors of a traction battery of a motor vehicle has a plate-like base body with longitudinal sides (16), transverse ends (17) and a top (18) and bottom (19) extending between the longitudinal sides (16) and transverse ends (17). Elements (20) are arranged on the top (18) and the bottom (19) for guiding and fixing current conductors (12) of the traction battery, and elements (21) are arranged on the other of the top (18) and the bottom (19) for guiding and fixing at least one signal conductor (14) of the traction battery. The base body provides EMC shielding of the signal conductor (14) from the current conductors (12). The plate-like base body has on the opposite longitudinal sides (16) and/or on the opposite transverse sides (17) sections (22) for securing and grounding the holding apparatus on a frame of the motor vehicle.

A battery module according to an embodiment of the present disclosure includes a plurality of battery cells and a bus bar assembly configured to electrically connect the electrode leads of the battery cells, and the bus bar assembly includes a bus bar frame configured to cover one side of the battery cells, a plurality of lead slots through which the electrode leads pass, a sensing bus bar connected to the electrode leads, and an elastic guider disposed at both left and right sides of the sensing bus bar in a left and right direction of the bus bar frame.

Provided are a battery pack and an electric vehicle. The battery pack includes a case, a cooling plate assembly and an energy storage unit. The cooling plate assembly and the energy storage unit are arranged inside the case, and the cooling plate assembly at least includes a first cooling plate. The first cooling plate is fixed on the case, and the first cooling plate divides the case, in a Z-direction, into a first accommodating space which is located above the first cooling plate, and a second accommodating space which is located below the first cooling plate. The energy storage unit at least includes a first energy storage unit which is arranged inside the first accommodating space and fixed on the first cooling plate, and a second energy storage unit which is arranged inside the second accommodating space.